100% Brand new and high qualityGraduated Ring MandrelGreat for use on glass showcasesGrooved on one side to prevent chipped stonesnew grooved ring mandrel， an essential tool for the jeweler， goldsmith， silversmith and metal workerMade of aluminum， can be used to determine the size of ringsRecessed groove accommodates protruding culet in stone set rings and prevents stone chippingWith 4 sizing standards: US， UK， EU， JapanUS sizes 2 to 15 in 1/4 steps. UK sizes 13 to 24 1/2 Steps.European sizes 41 to 76 in 1 steps.Japanese sizes 1 to 36 in 1 steps.Perfect for fitting wedding rings， class rings and other wide rings. +++Specifications+++Finger Sizing Stick:Total Length: About 25 cm (9.8'')Material: AluminumColor: As the picture shownRing Sizer: Color: SilveryMaterial: Zinc alloy metalQuantity: 11American size: 3 - 13 with size increments are clearly marked on each ring.It is suitable for America， Canada， Australia， Mexico +++Package included+++1 x Ring Sizer Stick 1 x Set Of Finger Sizer Rings On A Loop